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Finding the Fourth Proportional to 270,066.20, 405,099.30 and 169,901.60

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Solution

The fourth proportional to 270,066.20, 405,099.30 and 169,901.60 is: 254,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,066.20 : 405,099.30 = 169,901.60 : x
  2. Step 2: Convert to fraction form
    270,066.20/405,099.30 = 169,901.60/x
  3. Step 3: Cross multiply
    270,066.20x = 405,099.30 × 169,901.60
  4. Step 4: Simplify right side
    270,066.20x = 68,827,019,228.88
  5. Step 5: Solve for x
    x = 68,827,019,228.88/270,066.20
  6. Step 6: Final answer
    x = 254,852.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.